Electrical component and method of manufacturing the same

• US 20040222804A1
• Filed: 04/23/2004
• Published: 11/11/2004
• Est. Priority Date: 04/24/2003
• Status: Active Grant

• Current Assignee: Aisin Seiki Co., Ltd. (Aisin Corp.)
• Original Assignee: Aisin Seiki Co., Ltd. (Aisin Corp.)
• Inventors: Inuzuka, Katsuya, Ori, Tetsuya, Kurozumi, Takashi, Akimae, Syunichiro, Ieda, Kiyokazu
• Granted Patent: US 7,180,281 B2
• Time in Patent Office: Days
• US Class Current: 324/690
• CPC Class Codes: E05B 81/76 Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
• CPC Class Codes: E05B 81/77 comprising sensors detecting the presence of the hand of a user
• CPC Class Codes: G07C 2009/00793 by Hertzian waves
• CPC Class Codes: G07C 2209/65 using means for sensing the user's hand
• CPC Class Codes: H01Q 1/3241 particular used in keyless entry systems
• CPC Class Codes: H01Q 7/08 Ferrite rod or like elongated core
• CPC Class Codes: H03K 2017/9602 characterised by the type or shape of the sensing electrodes

Abstract

An electrode is made by turning a harness such that the electrode has a predetermined are for detecting capacitance. A method of manufacturing of an electrode includes step so turning a wire, and shaping the electrode with the wire. The electrode has a predetermined area for detecting capacitance.

Claims

1. An electrical component comprising:

a wire having an electrode portion for detecting capacitance, the electrode portion continuously shaped with the wire by turning the wire such that the electrode portion has a predetermined area for detecting the capacitance.

2. An electrical component according to claim 1, wherein the wire is an insulation wire having an electric core and an insulation coating layer surrounding the electric core.

3. An electrical component according to claim 2, wherein at least one means for molding compresses the insulation coating layer, wherein the electric core becomes closer to a detected object.

4. An electrical component according to claim 3, wherein the at least one means for molding applies heat to the electrode portion, and each adjacent wire portion at the electrode portion is welded, wherein the electrode portion is stabilized.

5. An electrical component according to claim 4, wherein the electrode portion is assumed to have a flat plate shape with the predetermined area for detecting the capacitance.

6. An electrical component according to claim 4, wherein the at least one means for molding applies the heat to a plasticizing material included in the insulation coating layer, wherein the plasticizing material is vaporized and the electrode portion is hardened.

7. An electrical component according to claim 3, wherein the means for molding applies ultraviolet radiation to an ultraviolet radiation hardening resin included in the insulation coating layer, wherein the electrode portion is hardened by the means for molding.

8. An electrical component comprising:

an insulation wire having an antenna portion continuously shaped with the insulation wire by turning the insulation wire for sending or receiving a radio signal, the insulation wire having an electric core and an insulation coating layer surrounding the electric core.

9. An electrical component according to claim 8, further comprising:

a magnetic body coiled with the insulation wire, wherein the antenna portion is positioned at the magnetic body.

10. An electrical component according to claim 9, wherein the magnetic body with the antenna portion is applied with heat, and the antenna portion is compressed and welded by at least one means for molding.

11. An electrical component according to claim 8, wherein the antenna portion is compressed by at least one means for molding such that the antenna portion is molded.

12. An electrical component according to claim 11, wherein the at least one means for molding applies heat to the antenna portion, each adjacent wire portion at the antenna portion is welded.

13. An electrical component according to claim 12, further comprising:

a magnetic body coiled with the insulation wire at the antenna portion, wherein the at least one means for molding compresses and applies heat to the antenna portion at the magnetic body, and the each adjacent wire portion at the antenna portion is welded, wherein the antenna portion becomes closer to the magnetic body and is stabilized.

14. An electrical component according to claim 12, wherein the at least one means for molding applies the heat to a plasticizing material included in the insulation coating layer, wherein the plasticizing material is vaporized and the antenna portion is hardened.

15. An electrical component according to claim 11, wherein the means for molding applies ultraviolet radiation to an ultraviolet radiation hardening resin included in the insulation coating layer, wherein the antenna portion is hardened by the means for molding.

25. An electrical component according to claim 9, wherein the magnetic body is a ferrite core.

16. A method of manufacturing an electric component comprising the steps of:

turning a wire; and

shaping an electrode portion continuously with the wire, the electrode portion having a predetermined area for detecting capacitance.

17. A method of manufacturing an electrical component according to claim 16, wherein the wire is an insulation wire having an electric core and an insulation coating layer, wherein the at least one means for molding applies heat to the insulation wire such that the insulation coating layer is hardened.

18. A method of manufacturing an electrical component according to claim 17, wherein the electrode portion has a quasi-flat plate shape with the predetermined area for detecting the capacitance.

19. A method of manufacturing an electrical component comprising the steps of:

turning an insulation wire having an electric core and an insulation coating layer surrounding the electric core; and

shaping an antenna portion continuously with the insulation wire so as to send or receive a radio signal.

20. A method of manufacturing an electrical component according to claim 19, further comprising the steps of:

winding the insulation wire around a magnetic body, wherein the antenna portion is positioned at the magnetic body.

21. A method of manufacturing an electrical component according to claim 20, further comprising the steps of:

applying heat to the magnetic body with the insulation wire; and

compressing the antenna portion by at least one means for molding, wherein the antenna portion becomes closer to the magnetic body.

22. A method of manufacturing an electrical component according to claim 19, further comprising the steps of:

compressing the antenna portion by at least one means for molding such that the antenna portion is molded.

23. A method of manufacturing an electrical component according to claim 22, further comprising the steps of:

applying heat to the antenna portion, wherein each adjacent wire portion at the antenna portion is hardened.

24. A method of manufacturing an electrical component according to claim 23, further comprising the steps of:

winding the insulation wire around a magnetic body at the antenna portion, wherein the at least one means for molding compresses and applies heat to the antenna portion at the magnetic body, wherein the antenna portion becomes closer to the magnetic body and is stabilized.